Material Stainless Steel Unit & Package Sold by each, carded for display Part No. Item Size Description 91136 Medium Duty ¾” (Dia.) x 3” (H) Fits antennas up to 48” 91142 Heavy Duty ⅞” (Dia.) x 3 ½” (H) Fits antennas up to 60” (Heavy Duty design for better support and less vibration) Part No. & Image Selection Spring for C.B. Antenna Part No.: -- Please Select -- 91136 91142 Combination of product variants is not available Updating... Related Products Angled Cut License Plate Holders Stainless Steel Two Piece Spring-Loaded Light Bars with Oval (6) Lights in Slanted Style and 3.75″ Bolt Spacing Zinc Plated 1 Bolt Quarter Fender Bracket Detailed Driver Vehicle Inspection Reports Bullet Dash Knobs Universal Front Hub Cap in Cone Shape